1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
|
/**
* @file
* @author 2012-2014 Stefan Radomski (stefan.radomski@cs.tu-darmstadt.de)
* @copyright Simplified BSD
*
* @cond
* This program is free software: you can redistribute it and/or modify
* it under the terms of the FreeBSD license as published by the FreeBSD
* project.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the FreeBSD license along with this
* program. If not, see <http://www.opensource.org/licenses/bsd-license>.
* @endcond
*/
#ifndef DATAMODEL_H_F1F776F9
#define DATAMODEL_H_F1F776F9
#include "uscxml/Common.h"
#include "uscxml/plugins/Invoker.h"
#include "uscxml/plugins/IOProcessor.h"
#ifndef TIME_BLOCK
# ifdef BUILD_PROFILING
# include "uscxml/concurrency/Timer.h"
# define TIME_BLOCK Measurement msm(&timer);
# else
# define TIME_BLOCK
# endif
#endif
#include <list>
#include <string>
#include <memory>
#include <sstream>
#include <xercesc/dom/DOM.hpp>
namespace uscxml {
class InterpreterImpl;
class DataModelImpl;
class USCXML_API DataModelCallbacks {
public:
virtual const std::string& getName() = 0;
virtual const std::string& getSessionId() = 0;
virtual const std::map<std::string, IOProcessor>& getIOProcessors() = 0;
virtual bool isInState(const std::string& stateId) = 0;
virtual xercesc::DOMDocument* getDocument() const = 0;
virtual const std::map<std::string, Invoker>& getInvokers() = 0;
};
class USCXML_API DataModelExtension {
public:
DataModelExtension() : dm(NULL) {}
virtual ~DataModelExtension() {}
virtual std::string provides() = 0;
virtual Data getValueOf(const std::string& member) = 0;
virtual void setValueOf(const std::string& member, const Data& data) = 0;
DataModelImpl* dm;
};
class USCXML_API DataModelImpl {
public:
virtual ~DataModelImpl() {}
virtual std::shared_ptr<DataModelImpl> create(DataModelCallbacks* interpreter) = 0;
virtual std::list<std::string> getNames() = 0;
virtual bool isValidSyntax(const std::string& expr) {
return true; // overwrite when datamodel supports it
}
virtual void setEvent(const Event& event) = 0;
size_t replaceExpressions(std::string& content);
// foreach
virtual uint32_t getLength(const std::string& expr) = 0;
virtual void setForeach(const std::string& item,
const std::string& array,
const std::string& index,
uint32_t iteration) = 0;
virtual Data getAsData(const std::string& content) = 0;
virtual Data evalAsData(const std::string& content) = 0;
virtual bool evalAsBool(const std::string& expr) = 0;
virtual bool isDeclared(const std::string& expr) = 0;
/**
* test147:
* <data id="Var1" expr="0"/>
*
* test150:
* <data id="Var3">
* [1,2,3]
* </data>
*
* test277:
* <data id="Var1" expr="return"/>
*
*/
virtual void assign(const std::string& location, const Data& data) = 0;
virtual void init(const std::string& location, const Data& data) = 0;
virtual void setCallbacks(DataModelCallbacks* callbacks) {
_callbacks = callbacks;
}
virtual void addExtension(DataModelExtension* ext);
virtual std::string andExpressions(std::list<std::string>) {
return "";
}
protected:
DataModelCallbacks* _callbacks;
};
class USCXML_API DataModel {
public:
DataModel() : _impl() {}
DataModel(const std::shared_ptr<DataModelImpl> impl) : _impl(impl) { }
DataModel(const DataModel& other) : _impl(other._impl) { }
virtual ~DataModel() {};
operator bool() const {
return !!_impl;
}
bool operator< (const DataModel& other) const {
return _impl < other._impl;
}
bool operator==(const DataModel& other) const {
return _impl == other._impl;
}
bool operator!=(const DataModel& other) const {
return _impl != other._impl;
}
DataModel& operator= (const DataModel& other) {
_impl = other._impl;
return *this;
}
virtual std::list<std::string> getNames() {
TIME_BLOCK
return _impl->getNames();
}
virtual bool isValidSyntax(const std::string& expr) {
TIME_BLOCK
return _impl->isValidSyntax(expr);
}
virtual void setEvent(const Event& event) {
TIME_BLOCK
return _impl->setEvent(event);
}
virtual Data getAsData(const std::string& content) {
TIME_BLOCK
return _impl->getAsData(content);
}
virtual Data evalAsData(const std::string& content) {
TIME_BLOCK
return _impl->evalAsData(content);
}
virtual bool evalAsBool(const std::string& expr) {
TIME_BLOCK
return _impl->evalAsBool(expr);
}
virtual uint32_t getLength(const std::string& expr) {
TIME_BLOCK
return _impl->getLength(expr);
}
virtual void setForeach(const std::string& item,
const std::string& array,
const std::string& index,
uint32_t iteration) {
TIME_BLOCK
return _impl->setForeach(item, array, index, iteration);
}
virtual void assign(const std::string& location, const Data& data) {
TIME_BLOCK
return _impl->assign(location, data);
}
virtual void init(const std::string& location, const Data& data) {
TIME_BLOCK
return _impl->init(location, data);
}
virtual bool isDeclared(const std::string& expr) {
TIME_BLOCK
return _impl->isDeclared(expr);
}
size_t replaceExpressions(std::string& content) {
TIME_BLOCK
return _impl->replaceExpressions(content);
}
std::string andExpressions(std::list<std::string> expressions) {
TIME_BLOCK
return _impl->andExpressions(expressions);
}
virtual void setCallbacks(DataModelCallbacks* callbacks) {
TIME_BLOCK
_impl->setCallbacks(callbacks);
}
virtual void addExtension(DataModelExtension* ext) {
TIME_BLOCK
_impl->addExtension(ext);
}
#ifdef BUILD_PROFILING
Timer timer;
#endif
protected:
std::shared_ptr<DataModelImpl> _impl;
};
}
#endif /* end of include guard: DATAMODEL_H_F1F776F9 */
|